> For the complete documentation index, see [llms.txt](https://bananapi.gitbook.io/banana-pi-bpi-r2-open-source-smart-router/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bananapi.gitbook.io/banana-pi-bpi-r2-open-source-smart-router/chapter1/bpi-r2-hardware-interface.md).

# BPI-R2 hardware interface

![](https://2026254418-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M2HWtQhonJaM_KJIa7S%2F-M2HWugLnEYPO4HWj-RM%2F-M2HXJoNMeI21-wBfaVp%2FBPI-R2%20Interface.JPG?generation=1584080203802523\&alt=media)